Optimizely vs VWO (Visual Website Optimizer)
Side-by-side from the Top 11 ranking of The 11 Best A/B Testing Tools. Last verified June 13, 2026.
The short answer
Optimizely ranks higher on Top 11 (#1 vs #2) for Growth teams running experiments. The enterprise standard for its powerful stats engine and full-stack experimentation features.
At a glance
| Optimizely | VWO (Visual Website Optimizer) | |
|---|---|---|
| Top 11 rank | #1 / The 11 Best A/B Testing Tools | #2 / The 11 Best A/B Testing Tools |
| Score (out of 9.4) | 9.2 | 9 |
| Best for | Enterprise-scale experimentation | All-in-one CRO platform |
| Pricing | $$$$$ (Custom enterprise plans) | $$$ ($350 to $1,500+/mo) |
| HQ | New York, USA | Pune, India |
| Founded | 2009 | 2010 |
Optimizely
The enterprise standard for its powerful stats engine and full-stack experimentation features.
www.optimizely.comVWO (Visual Website Optimizer)
A powerful, accessible all-in-one platform with a superb visual editor for mid-market teams.
vwo.comMethodology and scoring weights live at /methodology. No vendor pays for placement — see about.